Finding the Fourth Proportional to 102,851,610.84, 141,939,309.96 and 56,443,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   102,851,610.84 : 141,939,309.96 = 56,443,536.72 : x
2. Step 2: Convert to fraction form
   102,851,610.84/141,939,309.96 = 56,443,536.72/x
3. Step 3: Cross multiply
   102,851,610.84x = 141,939,309.96 × 56,443,536.72
4. Step 4: Simplify right side
   102,851,610.84x = 8,011,556,653,738,722
5. Step 5: Solve for x
   x = 8,011,556,653,738,722/102,851,610.84
6. Step 6: Final answer
   x = 77,894,323.56