Finding the Fourth Proportional to 181,074.42, 249,877.89 and 100,499.86

Step by Step Solution

1. Step 1: Write the proportion equation
   181,074.42 : 249,877.89 = 100,499.86 : x
2. Step 2: Convert to fraction form
   181,074.42/249,877.89 = 100,499.86/x
3. Step 3: Cross multiply
   181,074.42x = 249,877.89 × 100,499.86
4. Step 4: Simplify right side
   181,074.42x = 25,112,692,962.10
5. Step 5: Solve for x
   x = 25,112,692,962.10/181,074.42
6. Step 6: Final answer
   x = 138,687.14