Finding the Fourth Proportional to 60,680,164.21, 83,761,398.69 and 39,773,544.18

Step by Step Solution

1. Step 1: Write the proportion equation
   60,680,164.21 : 83,761,398.69 = 39,773,544.18 : x
2. Step 2: Convert to fraction form
   60,680,164.21/83,761,398.69 = 39,773,544.18/x
3. Step 3: Cross multiply
   60,680,164.21x = 83,761,398.69 × 39,773,544.18
4. Step 4: Simplify right side
   60,680,164.21x = 3,331,487,691,375,309
5. Step 5: Solve for x
   x = 3,331,487,691,375,309/60,680,164.21
6. Step 6: Final answer
   x = 54,902,417.20