Finding the Fourth Proportional to 249,152.38, 373,498.34 and 99,356.26

Step by Step Solution

1. Step 1: Write the proportion equation
   249,152.38 : 373,498.34 = 99,356.26 : x
2. Step 2: Convert to fraction form
   249,152.38/373,498.34 = 99,356.26/x
3. Step 3: Cross multiply
   249,152.38x = 373,498.34 × 99,356.26
4. Step 4: Simplify right side
   249,152.38x = 37,109,398,178.61
5. Step 5: Solve for x
   x = 37,109,398,178.61/249,152.38
6. Step 6: Final answer
   x = 148,942.58