Finding the Fourth Proportional to 93,051.47, 128,356.31 and 58,541.31

Step by Step Solution

1. Step 1: Write the proportion equation
   93,051.47 : 128,356.31 = 58,541.31 : x
2. Step 2: Convert to fraction form
   93,051.47/128,356.31 = 58,541.31/x
3. Step 3: Cross multiply
   93,051.47x = 128,356.31 × 58,541.31
4. Step 4: Simplify right side
   93,051.47x = 7,514,146,680.52
5. Step 5: Solve for x
   x = 7,514,146,680.52/93,051.47
6. Step 6: Final answer
   x = 80,752.58