Finding the Fourth Proportional to 42,897,683.60, 59,198,386.28 and 31,933,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,897,683.60 : 59,198,386.28 = 31,933,464.72 : x
2. Step 2: Convert to fraction form
   42,897,683.60/59,198,386.28 = 31,933,464.72/x
3. Step 3: Cross multiply
   42,897,683.60x = 59,198,386.28 × 31,933,464.72
4. Step 4: Simplify right side
   42,897,683.60x = 1,890,409,579,753,312
5. Step 5: Solve for x
   x = 1,890,409,579,753,312/42,897,683.60
6. Step 6: Final answer
   x = 44,067,870.83