Finding the Fourth Proportional to 42,496,616.92, 63,757,934.72 and 21,761,736.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,496,616.92 : 63,757,934.72 = 21,761,736.10 : x
2. Step 2: Convert to fraction form
   42,496,616.92/63,757,934.72 = 21,761,736.10/x
3. Step 3: Cross multiply
   42,496,616.92x = 63,757,934.72 × 21,761,736.10
4. Step 4: Simplify right side
   42,496,616.92x = 1,387,483,349,657,667.50
5. Step 5: Solve for x
   x = 1,387,483,349,657,667.50/42,496,616.92
6. Step 6: Final answer
   x = 32,649,265.99