Finding the Fourth Proportional to 42,354,768, 63,526,152.96 and 13,597,116.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,354,768 : 63,526,152.96 = 13,597,116.48 : x
2. Step 2: Convert to fraction form
   42,354,768/63,526,152.96 = 13,597,116.48/x
3. Step 3: Cross multiply
   42,354,768x = 63,526,152.96 × 13,597,116.48
4. Step 4: Simplify right side
   42,354,768x = 863,772,501,323,416.88
5. Step 5: Solve for x
   x = 863,772,501,323,416.88/42,354,768
6. Step 6: Final answer
   x = 20,393,748.85