Finding the Fourth Proportional to 131,870.56, 181,988.64 and 75,300.16

Step by Step Solution

1. Step 1: Write the proportion equation
   131,870.56 : 181,988.64 = 75,300.16 : x
2. Step 2: Convert to fraction form
   131,870.56/181,988.64 = 75,300.16/x
3. Step 3: Cross multiply
   131,870.56x = 181,988.64 × 75,300.16
4. Step 4: Simplify right side
   131,870.56x = 13,703,773,710.18
5. Step 5: Solve for x
   x = 13,703,773,710.18/131,870.56
6. Step 6: Final answer
   x = 103,918.37