Finding the Fourth Proportional to 88,729.10, 133,093.65 and 42,073.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,729.10 : 133,093.65 = 42,073.10 : x
2. Step 2: Convert to fraction form
   88,729.10/133,093.65 = 42,073.10/x
3. Step 3: Cross multiply
   88,729.10x = 133,093.65 × 42,073.10
4. Step 4: Simplify right side
   88,729.10x = 5,599,662,445.82
5. Step 5: Solve for x
   x = 5,599,662,445.82/88,729.10
6. Step 6: Final answer
   x = 63,109.65