Finding the Fourth Proportional to 57,375,066.08, 86,054,190.89 and 28,221,079.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,375,066.08 : 86,054,190.89 = 28,221,079.52 : x
2. Step 2: Convert to fraction form
   57,375,066.08/86,054,190.89 = 28,221,079.52/x
3. Step 3: Cross multiply
   57,375,066.08x = 86,054,190.89 × 28,221,079.52
4. Step 4: Simplify right side
   57,375,066.08x = 2,428,542,164,209,980
5. Step 5: Solve for x
   x = 2,428,542,164,209,980/57,375,066.08
6. Step 6: Final answer
   x = 42,327,483.52