Finding the Fourth Proportional to 105,812.06, 158,510.39 and 61,345.35

Step by Step Solution

1. Step 1: Write the proportion equation
   105,812.06 : 158,510.39 = 61,345.35 : x
2. Step 2: Convert to fraction form
   105,812.06/158,510.39 = 61,345.35/x
3. Step 3: Cross multiply
   105,812.06x = 158,510.39 × 61,345.35
4. Step 4: Simplify right side
   105,812.06x = 9,723,875,046.46
5. Step 5: Solve for x
   x = 9,723,875,046.46/105,812.06
6. Step 6: Final answer
   x = 91,897.61