Finding the Fourth Proportional to 613,061.01, 919,592.03 and 293,137.61

Step by Step Solution

1. Step 1: Write the proportion equation
   613,061.01 : 919,592.03 = 293,137.61 : x
2. Step 2: Convert to fraction form
   613,061.01/919,592.03 = 293,137.61/x
3. Step 3: Cross multiply
   613,061.01x = 919,592.03 × 293,137.61
4. Step 4: Simplify right side
   613,061.01x = 269,567,005,984.13
5. Step 5: Solve for x
   x = 269,567,005,984.13/613,061.01
6. Step 6: Final answer
   x = 439,706.65