Finding the Fourth Proportional to 2,187,733,100.55, 3,019,071,826.19 and 1,197,658,517.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,733,100.55 : 3,019,071,826.19 = 1,197,658,517.55 : x
2. Step 2: Convert to fraction form
   2,187,733,100.55/3,019,071,826.19 = 1,197,658,517.55/x
3. Step 3: Cross multiply
   2,187,733,100.55x = 3,019,071,826.19 × 1,197,658,517.55
4. Step 4: Simplify right side
   2,187,733,100.55x = 3,615,817,087,725,698,048
5. Step 5: Solve for x
   x = 3,615,817,087,725,698,048/2,187,733,100.55
6. Step 6: Final answer
   x = 1,652,768,834.93