Finding the Fourth Proportional to 103,677.10, 155,510.18 and 51,068.81

Step by Step Solution

1. Step 1: Write the proportion equation
   103,677.10 : 155,510.18 = 51,068.81 : x
2. Step 2: Convert to fraction form
   103,677.10/155,510.18 = 51,068.81/x
3. Step 3: Cross multiply
   103,677.10x = 155,510.18 × 51,068.81
4. Step 4: Simplify right side
   103,677.10x = 7,941,720,160.43
5. Step 5: Solve for x
   x = 7,941,720,160.43/103,677.10
6. Step 6: Final answer
   x = 76,600.53