Finding the Fourth Proportional to 141,085.10, 194,699.82 and 77,428.82

Step by Step Solution

1. Step 1: Write the proportion equation
   141,085.10 : 194,699.82 = 77,428.82 : x
2. Step 2: Convert to fraction form
   141,085.10/194,699.82 = 77,428.82/x
3. Step 3: Cross multiply
   141,085.10x = 194,699.82 × 77,428.82
4. Step 4: Simplify right side
   141,085.10x = 15,075,376,343.31
5. Step 5: Solve for x
   x = 15,075,376,343.31/141,085.10
6. Step 6: Final answer
   x = 106,853.08