Finding the Fourth Proportional to 902,076.06, 1,244,864.89 and 539,499.91

Step by Step Solution

1. Step 1: Write the proportion equation
   902,076.06 : 1,244,864.89 = 539,499.91 : x
2. Step 2: Convert to fraction form
   902,076.06/1,244,864.89 = 539,499.91/x
3. Step 3: Cross multiply
   902,076.06x = 1,244,864.89 × 539,499.91
4. Step 4: Simplify right side
   902,076.06x = 671,604,492,978.81
5. Step 5: Solve for x
   x = 671,604,492,978.81/902,076.06
6. Step 6: Final answer
   x = 744,509.83