Finding the Fourth Proportional to 74,921.59, 112,381.98 and 30,548.17

Step by Step Solution

1. Step 1: Write the proportion equation
   74,921.59 : 112,381.98 = 30,548.17 : x
2. Step 2: Convert to fraction form
   74,921.59/112,381.98 = 30,548.17/x
3. Step 3: Cross multiply
   74,921.59x = 112,381.98 × 30,548.17
4. Step 4: Simplify right side
   74,921.59x = 3,433,063,829.98
5. Step 5: Solve for x
   x = 3,433,063,829.98/74,921.59
6. Step 6: Final answer
   x = 45,822.09