Finding the Fourth Proportional to 81,798.60, 112,885.32 and 45,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,798.60 : 112,885.32 = 45,988.50 : x
2. Step 2: Convert to fraction form
   81,798.60/112,885.32 = 45,988.50/x
3. Step 3: Cross multiply
   81,798.60x = 112,885.32 × 45,988.50
4. Step 4: Simplify right side
   81,798.60x = 5,191,426,538.82
5. Step 5: Solve for x
   x = 5,191,426,538.82/81,798.60
6. Step 6: Final answer
   x = 63,465.96