Finding the Fourth Proportional to 42,386,264.37, 63,494,268.24 and 19,325,477.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,386,264.37 : 63,494,268.24 = 19,325,477.05 : x
2. Step 2: Convert to fraction form
   42,386,264.37/63,494,268.24 = 19,325,477.05/x
3. Step 3: Cross multiply
   42,386,264.37x = 63,494,268.24 × 19,325,477.05
4. Step 4: Simplify right side
   42,386,264.37x = 1,227,057,023,264,565.25
5. Step 5: Solve for x
   x = 1,227,057,023,264,565.25/42,386,264.37
6. Step 6: Final answer
   x = 28,949,402.39