Finding the Fourth Proportional to 59,855,314.86, 89,782,430.67 and 18,914,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,855,314.86 : 89,782,430.67 = 18,914,760.50 : x
2. Step 2: Convert to fraction form
   59,855,314.86/89,782,430.67 = 18,914,760.50/x
3. Step 3: Cross multiply
   59,855,314.86x = 89,782,430.67 × 18,914,760.50
4. Step 4: Simplify right side
   59,855,314.86x = 1,698,213,172,781,992.50
5. Step 5: Solve for x
   x = 1,698,213,172,781,992.50/59,855,314.86
6. Step 6: Final answer
   x = 28,371,969.59