Finding the Fourth Proportional to 2,588,009.60, 3,881,323.20 and 790,889.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,009.60 : 3,881,323.20 = 790,889.60 : x
2. Step 2: Convert to fraction form
   2,588,009.60/3,881,323.20 = 790,889.60/x
3. Step 3: Cross multiply
   2,588,009.60x = 3,881,323.20 × 790,889.60
4. Step 4: Simplify right side
   2,588,009.60x = 3,069,698,153,118.72
5. Step 5: Solve for x
   x = 3,069,698,153,118.72/2,588,009.60
6. Step 6: Final answer
   x = 1,186,123.17