Finding the Fourth Proportional to 915,066.45, 1,262,838.24 and 527,737.86

Step by Step Solution

1. Step 1: Write the proportion equation
   915,066.45 : 1,262,838.24 = 527,737.86 : x
2. Step 2: Convert to fraction form
   915,066.45/1,262,838.24 = 527,737.86/x
3. Step 3: Cross multiply
   915,066.45x = 1,262,838.24 × 527,737.86
4. Step 4: Simplify right side
   915,066.45x = 666,447,550,303.77
5. Step 5: Solve for x
   x = 666,447,550,303.77/915,066.45
6. Step 6: Final answer
   x = 728,305.09