Finding the Fourth Proportional to 91,738.17, 137,631.86 and 73,088.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,738.17 : 137,631.86 = 73,088.53 : x
2. Step 2: Convert to fraction form
   91,738.17/137,631.86 = 73,088.53/x
3. Step 3: Cross multiply
   91,738.17x = 137,631.86 × 73,088.53
4. Step 4: Simplify right side
   91,738.17x = 10,059,309,893.13
5. Step 5: Solve for x
   x = 10,059,309,893.13/91,738.17
6. Step 6: Final answer
   x = 109,652.39