Finding the Fourth Proportional to 190,300.53, 262,612.50 and 103,083.99

Step by Step Solution

1. Step 1: Write the proportion equation
   190,300.53 : 262,612.50 = 103,083.99 : x
2. Step 2: Convert to fraction form
   190,300.53/262,612.50 = 103,083.99/x
3. Step 3: Cross multiply
   190,300.53x = 262,612.50 × 103,083.99
4. Step 4: Simplify right side
   190,300.53x = 27,071,144,323.88
5. Step 5: Solve for x
   x = 27,071,144,323.88/190,300.53
6. Step 6: Final answer
   x = 142,254.70