Finding the Fourth Proportional to 58,818.81, 81,114.62 and 45,368.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,818.81 : 81,114.62 = 45,368.76 : x
2. Step 2: Convert to fraction form
   58,818.81/81,114.62 = 45,368.76/x
3. Step 3: Cross multiply
   58,818.81x = 81,114.62 × 45,368.76
4. Step 4: Simplify right side
   58,818.81x = 3,680,069,500.43
5. Step 5: Solve for x
   x = 3,680,069,500.43/58,818.81
6. Step 6: Final answer
   x = 62,566.20