Finding the Fourth Proportional to 42,648,705.72, 63,972,980.82 and 13,894,807.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648,705.72 : 63,972,980.82 = 13,894,807.32 : x
2. Step 2: Convert to fraction form
   42,648,705.72/63,972,980.82 = 13,894,807.32/x
3. Step 3: Cross multiply
   42,648,705.72x = 63,972,980.82 × 13,894,807.32
4. Step 4: Simplify right side
   42,648,705.72x = 888,892,242,179,955.62
5. Step 5: Solve for x
   x = 888,892,242,179,955.62/42,648,705.72
6. Step 6: Final answer
   x = 20,842,185.65