Finding the Fourth Proportional to 119,200.47, 164,499.70 and 65,486.84

Step by Step Solution

1. Step 1: Write the proportion equation
   119,200.47 : 164,499.70 = 65,486.84 : x
2. Step 2: Convert to fraction form
   119,200.47/164,499.70 = 65,486.84/x
3. Step 3: Cross multiply
   119,200.47x = 164,499.70 × 65,486.84
4. Step 4: Simplify right side
   119,200.47x = 10,772,565,533.95
5. Step 5: Solve for x
   x = 10,772,565,533.95/119,200.47
6. Step 6: Final answer
   x = 90,373.52