Finding the Fourth Proportional to 131,426.77, 181,368.76 and 74,838.14

Step by Step Solution

1. Step 1: Write the proportion equation
   131,426.77 : 181,368.76 = 74,838.14 : x
2. Step 2: Convert to fraction form
   131,426.77/181,368.76 = 74,838.14/x
3. Step 3: Cross multiply
   131,426.77x = 181,368.76 × 74,838.14
4. Step 4: Simplify right side
   131,426.77x = 13,573,300,278.32
5. Step 5: Solve for x
   x = 13,573,300,278.32/131,426.77
6. Step 6: Final answer
   x = 103,276.53