Finding the Fourth Proportional to 55,427,155.34, 76,486,187.89 and 30,645,397.20

Step by Step Solution

1. Step 1: Write the proportion equation
   55,427,155.34 : 76,486,187.89 = 30,645,397.20 : x
2. Step 2: Convert to fraction form
   55,427,155.34/76,486,187.89 = 30,645,397.20/x
3. Step 3: Cross multiply
   55,427,155.34x = 76,486,187.89 × 30,645,397.20
4. Step 4: Simplify right side
   55,427,155.34x = 2,343,949,608,614,276.50
5. Step 5: Solve for x
   x = 2,343,949,608,614,276.50/55,427,155.34
6. Step 6: Final answer
   x = 42,288,831.07