Finding the Fourth Proportional to 112,947.78, 169,436.37 and 34,069.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,947.78 : 169,436.37 = 34,069.98 : x
2. Step 2: Convert to fraction form
   112,947.78/169,436.37 = 34,069.98/x
3. Step 3: Cross multiply
   112,947.78x = 169,436.37 × 34,069.98
4. Step 4: Simplify right side
   112,947.78x = 5,772,693,737.17
5. Step 5: Solve for x
   x = 5,772,693,737.17/112,947.78
6. Step 6: Final answer
   x = 51,109.40