Finding the Fourth Proportional to 79,067,575.02, 109,036,598.72 and 61,657,567.86

Step by Step Solution

1. Step 1: Write the proportion equation
   79,067,575.02 : 109,036,598.72 = 61,657,567.86 : x
2. Step 2: Convert to fraction form
   79,067,575.02/109,036,598.72 = 61,657,567.86/x
3. Step 3: Cross multiply
   79,067,575.02x = 109,036,598.72 × 61,657,567.86
4. Step 4: Simplify right side
   79,067,575.02x = 6,722,931,484,801,989
5. Step 5: Solve for x
   x = 6,722,931,484,801,989/79,067,575.02
6. Step 6: Final answer
   x = 85,027,667.58