Finding the Fourth Proportional to 58,892,624.91, 88,379,290.89 and 20,554,139.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,892,624.91 : 88,379,290.89 = 20,554,139.16 : x
2. Step 2: Convert to fraction form
   58,892,624.91/88,379,290.89 = 20,554,139.16/x
3. Step 3: Cross multiply
   58,892,624.91x = 88,379,290.89 × 20,554,139.16
4. Step 4: Simplify right side
   58,892,624.91x = 1,816,560,243,815,180.25
5. Step 5: Solve for x
   x = 1,816,560,243,815,180.25/58,892,624.91
6. Step 6: Final answer
   x = 30,845,292.54