Finding the Fourth Proportional to 42,897,630.27, 64,325,521.31 and 15,222,176.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,897,630.27 : 64,325,521.31 = 15,222,176.82 : x
2. Step 2: Convert to fraction form
   42,897,630.27/64,325,521.31 = 15,222,176.82/x
3. Step 3: Cross multiply
   42,897,630.27x = 64,325,521.31 × 15,222,176.82
4. Step 4: Simplify right side
   42,897,630.27x = 979,174,459,343,387.12
5. Step 5: Solve for x
   x = 979,174,459,343,387.12/42,897,630.27
6. Step 6: Final answer
   x = 22,825,840.34