Finding the Fourth Proportional to 137,061.68, 189,152.34 and 83,337.80

Step by Step Solution

1. Step 1: Write the proportion equation
   137,061.68 : 189,152.34 = 83,337.80 : x
2. Step 2: Convert to fraction form
   137,061.68/189,152.34 = 83,337.80/x
3. Step 3: Cross multiply
   137,061.68x = 189,152.34 × 83,337.80
4. Step 4: Simplify right side
   137,061.68x = 15,763,539,880.45
5. Step 5: Solve for x
   x = 15,763,539,880.45/137,061.68
6. Step 6: Final answer
   x = 115,010.55