Finding the Fourth Proportional to 42,948,993.86, 64,415,176.24 and 16,687,784.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,948,993.86 : 64,415,176.24 = 16,687,784.57 : x
2. Step 2: Convert to fraction form
   42,948,993.86/64,415,176.24 = 16,687,784.57/x
3. Step 3: Cross multiply
   42,948,993.86x = 64,415,176.24 × 16,687,784.57
4. Step 4: Simplify right side
   42,948,993.86x = 1,074,946,584,048,263.75
5. Step 5: Solve for x
   x = 1,074,946,584,048,263.75/42,948,993.86
6. Step 6: Final answer
   x = 25,028,446.24