Finding the Fourth Proportional to 341,300.10, 511,950.15 and 91,982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   341,300.10 : 511,950.15 = 91,982.10 : x
2. Step 2: Convert to fraction form
   341,300.10/511,950.15 = 91,982.10/x
3. Step 3: Cross multiply
   341,300.10x = 511,950.15 × 91,982.10
4. Step 4: Simplify right side
   341,300.10x = 47,090,249,892.32
5. Step 5: Solve for x
   x = 47,090,249,892.32/341,300.10
6. Step 6: Final answer
   x = 137,973.15