Finding the Fourth Proportional to 190,870.02, 286,386.03 and 102,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,870.02 : 286,386.03 = 102,100.50 : x
2. Step 2: Convert to fraction form
   190,870.02/286,386.03 = 102,100.50/x
3. Step 3: Cross multiply
   190,870.02x = 286,386.03 × 102,100.50
4. Step 4: Simplify right side
   190,870.02x = 29,240,156,856.02
5. Step 5: Solve for x
   x = 29,240,156,856.02/190,870.02
6. Step 6: Final answer
   x = 153,194.08