Finding the Fourth Proportional to 88,100.61, 121,579.74 and 47,814.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,100.61 : 121,579.74 = 47,814.72 : x
2. Step 2: Convert to fraction form
   88,100.61/121,579.74 = 47,814.72/x
3. Step 3: Cross multiply
   88,100.61x = 121,579.74 × 47,814.72
4. Step 4: Simplify right side
   88,100.61x = 5,813,301,225.77
5. Step 5: Solve for x
   x = 5,813,301,225.77/88,100.61
6. Step 6: Final answer
   x = 65,984.80