Finding the Fourth Proportional to 108,556.93, 149,817.90 and 60,820.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,556.93 : 149,817.90 = 60,820.12 : x
2. Step 2: Convert to fraction form
   108,556.93/149,817.90 = 60,820.12/x
3. Step 3: Cross multiply
   108,556.93x = 149,817.90 × 60,820.12
4. Step 4: Simplify right side
   108,556.93x = 9,111,942,656.15
5. Step 5: Solve for x
   x = 9,111,942,656.15/108,556.93
6. Step 6: Final answer
   x = 83,937.00