Finding the Fourth Proportional to 42,955,299.54, 64,439,002.04 and 13,799,362.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,955,299.54 : 64,439,002.04 = 13,799,362.10 : x
2. Step 2: Convert to fraction form
   42,955,299.54/64,439,002.04 = 13,799,362.10/x
3. Step 3: Cross multiply
   42,955,299.54x = 64,439,002.04 × 13,799,362.10
4. Step 4: Simplify right side
   42,955,299.54x = 889,217,122,121,406.88
5. Step 5: Solve for x
   x = 889,217,122,121,406.88/42,955,299.54
6. Step 6: Final answer
   x = 20,700,987.58