Finding the Fourth Proportional to 61,066.31, 91,630.78 and 29,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   61,066.31 : 91,630.78 = 29,081.57 : x
2. Step 2: Convert to fraction form
   61,066.31/91,630.78 = 29,081.57/x
3. Step 3: Cross multiply
   61,066.31x = 91,630.78 × 29,081.57
4. Step 4: Simplify right side
   61,066.31x = 2,664,766,411.87
5. Step 5: Solve for x
   x = 2,664,766,411.87/61,066.31
6. Step 6: Final answer
   x = 43,637.26