Finding the Fourth Proportional to 107,798,016.10, 161,704,022.55 and 56,779,680.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,798,016.10 : 161,704,022.55 = 56,779,680.10 : x
2. Step 2: Convert to fraction form
   107,798,016.10/161,704,022.55 = 56,779,680.10/x
3. Step 3: Cross multiply
   107,798,016.10x = 161,704,022.55 × 56,779,680.10
4. Step 4: Simplify right side
   107,798,016.10x = 9,181,502,671,272,188
5. Step 5: Solve for x
   x = 9,181,502,671,272,188/107,798,016.10
6. Step 6: Final answer
   x = 85,173,206.37