Finding the Fourth Proportional to 31,304,877.60, 46,935,314.49 and 13,789,123.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,304,877.60 : 46,935,314.49 = 13,789,123.53 : x
2. Step 2: Convert to fraction form
   31,304,877.60/46,935,314.49 = 13,789,123.53/x
3. Step 3: Cross multiply
   31,304,877.60x = 46,935,314.49 × 13,789,123.53
4. Step 4: Simplify right side
   31,304,877.60x = 647,196,849,422,009
5. Step 5: Solve for x
   x = 647,196,849,422,009/31,304,877.60
6. Step 6: Final answer
   x = 20,673,993.93