Finding the Fourth Proportional to 39,171,415.30, 58,766,454.15 and 18,960,036.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,171,415.30 : 58,766,454.15 = 18,960,036.10 : x
2. Step 2: Convert to fraction form
   39,171,415.30/58,766,454.15 = 18,960,036.10/x
3. Step 3: Cross multiply
   39,171,415.30x = 58,766,454.15 × 18,960,036.10
4. Step 4: Simplify right side
   39,171,415.30x = 1,114,214,092,152,994.88
5. Step 5: Solve for x
   x = 1,114,214,092,152,994.88/39,171,415.30
6. Step 6: Final answer
   x = 28,444,570.71