Finding the Fourth Proportional to 1,023,538.86, 1,536,638.72 and 787,047.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023,538.86 : 1,536,638.72 = 787,047.62 : x
2. Step 2: Convert to fraction form
   1,023,538.86/1,536,638.72 = 787,047.62/x
3. Step 3: Cross multiply
   1,023,538.86x = 1,536,638.72 × 787,047.62
4. Step 4: Simplify right side
   1,023,538.86x = 1,209,407,835,757.41
5. Step 5: Solve for x
   x = 1,209,407,835,757.41/1,023,538.86
6. Step 6: Final answer
   x = 1,181,594.45