Finding the Fourth Proportional to 60,670.50, 91,023.71 and 31,109.08

Step by Step Solution

1. Step 1: Write the proportion equation
   60,670.50 : 91,023.71 = 31,109.08 : x
2. Step 2: Convert to fraction form
   60,670.50/91,023.71 = 31,109.08/x
3. Step 3: Cross multiply
   60,670.50x = 91,023.71 × 31,109.08
4. Step 4: Simplify right side
   60,670.50x = 2,831,663,493.18
5. Step 5: Solve for x
   x = 2,831,663,493.18/60,670.50
6. Step 6: Final answer
   x = 46,672.82