Finding the Fourth Proportional to 42,249,926.07, 63,374,208.71 and 13,495,872.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,249,926.07 : 63,374,208.71 = 13,495,872.15 : x
2. Step 2: Convert to fraction form
   42,249,926.07/63,374,208.71 = 13,495,872.15/x
3. Step 3: Cross multiply
   42,249,926.07x = 63,374,208.71 × 13,495,872.15
4. Step 4: Simplify right side
   42,249,926.07x = 855,290,218,290,097.12
5. Step 5: Solve for x
   x = 855,290,218,290,097.12/42,249,926.07
6. Step 6: Final answer
   x = 20,243,590.89