Finding the Fourth Proportional to 2,215,117, 3,056,862.69 and 1,196,521.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,117 : 3,056,862.69 = 1,196,521.76 : x
2. Step 2: Convert to fraction form
   2,215,117/3,056,862.69 = 1,196,521.76/x
3. Step 3: Cross multiply
   2,215,117x = 3,056,862.69 × 1,196,521.76
4. Step 4: Simplify right side
   2,215,117x = 3,657,602,725,917.13
5. Step 5: Solve for x
   x = 3,657,602,725,917.13/2,215,117
6. Step 6: Final answer
   x = 1,651,200.69