Finding the Fourth Proportional to 42,513,109.96, 63,779,783.82 and 13,759,245.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,513,109.96 : 63,779,783.82 = 13,759,245.64 : x
2. Step 2: Convert to fraction form
   42,513,109.96/63,779,783.82 = 13,759,245.64/x
3. Step 3: Cross multiply
   42,513,109.96x = 63,779,783.82 × 13,759,245.64
4. Step 4: Simplify right side
   42,513,109.96x = 877,561,712,445,477.62
5. Step 5: Solve for x
   x = 877,561,712,445,477.62/42,513,109.96
6. Step 6: Final answer
   x = 20,642,143.41