Finding the Fourth Proportional to 61,131.68, 91,710.72 and 19,010.94

Step by Step Solution

1. Step 1: Write the proportion equation
   61,131.68 : 91,710.72 = 19,010.94 : x
2. Step 2: Convert to fraction form
   61,131.68/91,710.72 = 19,010.94/x
3. Step 3: Cross multiply
   61,131.68x = 91,710.72 × 19,010.94
4. Step 4: Simplify right side
   61,131.68x = 1,743,506,995.28
5. Step 5: Solve for x
   x = 1,743,506,995.28/61,131.68
6. Step 6: Final answer
   x = 28,520.51