Finding the Fourth Proportional to 93,411.59, 128,910.83 and 53,131.14

Step by Step Solution

1. Step 1: Write the proportion equation
   93,411.59 : 128,910.83 = 53,131.14 : x
2. Step 2: Convert to fraction form
   93,411.59/128,910.83 = 53,131.14/x
3. Step 3: Cross multiply
   93,411.59x = 128,910.83 × 53,131.14
4. Step 4: Simplify right side
   93,411.59x = 6,849,179,090.59
5. Step 5: Solve for x
   x = 6,849,179,090.59/93,411.59
6. Step 6: Final answer
   x = 73,322.59