Finding the Fourth Proportional to 74,981, 103,476.04 and 40,988.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,981 : 103,476.04 = 40,988.72 : x
2. Step 2: Convert to fraction form
   74,981/103,476.04 = 40,988.72/x
3. Step 3: Cross multiply
   74,981x = 103,476.04 × 40,988.72
4. Step 4: Simplify right side
   74,981x = 4,241,350,430.27
5. Step 5: Solve for x
   x = 4,241,350,430.27/74,981
6. Step 6: Final answer
   x = 56,565.67