Finding the Fourth Proportional to 479,970.83, 719,997.59 and 124,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,970.83 : 719,997.59 = 124,985.50 : x
2. Step 2: Convert to fraction form
   479,970.83/719,997.59 = 124,985.50/x
3. Step 3: Cross multiply
   479,970.83x = 719,997.59 × 124,985.50
4. Step 4: Simplify right side
   479,970.83x = 89,989,254,560.03
5. Step 5: Solve for x
   x = 89,989,254,560.03/479,970.83
6. Step 6: Final answer
   x = 187,489.01