Finding the Fourth Proportional to 99,300.43, 136,923.34 and 93,001.87

Step by Step Solution

1. Step 1: Write the proportion equation
   99,300.43 : 136,923.34 = 93,001.87 : x
2. Step 2: Convert to fraction form
   99,300.43/136,923.34 = 93,001.87/x
3. Step 3: Cross multiply
   99,300.43x = 136,923.34 × 93,001.87
4. Step 4: Simplify right side
   99,300.43x = 12,734,126,666.65
5. Step 5: Solve for x
   x = 12,734,126,666.65/99,300.43
6. Step 6: Final answer
   x = 128,238.38