Finding the Fourth Proportional to 45,817.86, 69,038.96 and 37,680.17

Step by Step Solution

1. Step 1: Write the proportion equation
   45,817.86 : 69,038.96 = 37,680.17 : x
2. Step 2: Convert to fraction form
   45,817.86/69,038.96 = 37,680.17/x
3. Step 3: Cross multiply
   45,817.86x = 69,038.96 × 37,680.17
4. Step 4: Simplify right side
   45,817.86x = 2,601,399,215.83
5. Step 5: Solve for x
   x = 2,601,399,215.83/45,817.86
6. Step 6: Final answer
   x = 56,776.96