Finding the Fourth Proportional to 42,587,016.54, 63,925,988.49 and 18,337,949.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,587,016.54 : 63,925,988.49 = 18,337,949.34 : x
2. Step 2: Convert to fraction form
   42,587,016.54/63,925,988.49 = 18,337,949.34/x
3. Step 3: Cross multiply
   42,587,016.54x = 63,925,988.49 × 18,337,949.34
4. Step 4: Simplify right side
   42,587,016.54x = 1,172,271,538,439,043.25
5. Step 5: Solve for x
   x = 1,172,271,538,439,043.25/42,587,016.54
6. Step 6: Final answer
   x = 27,526,500.65