Finding the Fourth Proportional to 77,434.59, 106,820.34 and 50,592.81

Step by Step Solution

1. Step 1: Write the proportion equation
   77,434.59 : 106,820.34 = 50,592.81 : x
2. Step 2: Convert to fraction form
   77,434.59/106,820.34 = 50,592.81/x
3. Step 3: Cross multiply
   77,434.59x = 106,820.34 × 50,592.81
4. Step 4: Simplify right side
   77,434.59x = 5,404,341,165.76
5. Step 5: Solve for x
   x = 5,404,341,165.76/77,434.59
6. Step 6: Final answer
   x = 69,792.34