Finding the Fourth Proportional to 42,354,796.52, 63,526,196.46 and 13,597,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,354,796.52 : 63,526,196.46 = 13,597,145.48 : x
2. Step 2: Convert to fraction form
   42,354,796.52/63,526,196.46 = 13,597,145.48/x
3. Step 3: Cross multiply
   42,354,796.52x = 63,526,196.46 × 13,597,145.48
4. Step 4: Simplify right side
   42,354,796.52x = 863,774,935,057,681
5. Step 5: Solve for x
   x = 863,774,935,057,681/42,354,796.52
6. Step 6: Final answer
   x = 20,393,792.58