Finding the Fourth Proportional to 42,373,552.50, 63,560,919.15 and 12,081,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373,552.50 : 63,560,919.15 = 12,081,415.50 : x
2. Step 2: Convert to fraction form
   42,373,552.50/63,560,919.15 = 12,081,415.50/x
3. Step 3: Cross multiply
   42,373,552.50x = 63,560,919.15 × 12,081,415.50
4. Step 4: Simplify right side
   42,373,552.50x = 767,905,873,813,056.75
5. Step 5: Solve for x
   x = 767,905,873,813,056.75/42,373,552.50
6. Step 6: Final answer
   x = 18,122,291.58