Finding the Fourth Proportional to 58,557,729.42, 80,708,801.06 and 38,943,570.71

Step by Step Solution

1. Step 1: Write the proportion equation
   58,557,729.42 : 80,708,801.06 = 38,943,570.71 : x
2. Step 2: Convert to fraction form
   58,557,729.42/80,708,801.06 = 38,943,570.71/x
3. Step 3: Cross multiply
   58,557,729.42x = 80,708,801.06 × 38,943,570.71
4. Step 4: Simplify right side
   58,557,729.42x = 3,143,088,900,999,433
5. Step 5: Solve for x
   x = 3,143,088,900,999,433/58,557,729.42
6. Step 6: Final answer
   x = 53,675,047.38