Finding the Fourth Proportional to 102,850,300.80, 141,926,427.42 and 56,443,544.08

Step by Step Solution

1. Step 1: Write the proportion equation
   102,850,300.80 : 141,926,427.42 = 56,443,544.08 : x
2. Step 2: Convert to fraction form
   102,850,300.80/141,926,427.42 = 56,443,544.08/x
3. Step 3: Cross multiply
   102,850,300.80x = 141,926,427.42 × 56,443,544.08
4. Step 4: Simplify right side
   102,850,300.80x = 8,010,830,561,631,211
5. Step 5: Solve for x
   x = 8,010,830,561,631,211/102,850,300.80
6. Step 6: Final answer
   x = 77,888,256.03