Finding the Fourth Proportional to 42,393,870.72, 63,592,425.36 and 13,250,392.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,393,870.72 : 63,592,425.36 = 13,250,392.56 : x
2. Step 2: Convert to fraction form
   42,393,870.72/63,592,425.36 = 13,250,392.56/x
3. Step 3: Cross multiply
   42,393,870.72x = 63,592,425.36 × 13,250,392.56
4. Step 4: Simplify right side
   42,393,870.72x = 842,624,599,862,499.38
5. Step 5: Solve for x
   x = 842,624,599,862,499.38/42,393,870.72
6. Step 6: Final answer
   x = 19,876,094.95