Finding the Fourth Proportional to 88,131.84, 121,621.98 and 47,845.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,131.84 : 121,621.98 = 47,845.56 : x
2. Step 2: Convert to fraction form
   88,131.84/121,621.98 = 47,845.56/x
3. Step 3: Cross multiply
   88,131.84x = 121,621.98 × 47,845.56
4. Step 4: Simplify right side
   88,131.84x = 5,819,071,741.41
5. Step 5: Solve for x
   x = 5,819,071,741.41/88,131.84
6. Step 6: Final answer
   x = 66,026.89