Finding the Fourth Proportional to 74,789.51, 112,121.34 and 34,788.17

Step by Step Solution

1. Step 1: Write the proportion equation
   74,789.51 : 112,121.34 = 34,788.17 : x
2. Step 2: Convert to fraction form
   74,789.51/112,121.34 = 34,788.17/x
3. Step 3: Cross multiply
   74,789.51x = 112,121.34 × 34,788.17
4. Step 4: Simplify right side
   74,789.51x = 3,900,495,675.94
5. Step 5: Solve for x
   x = 3,900,495,675.94/74,789.51
6. Step 6: Final answer
   x = 52,152.98