Finding the Fourth Proportional to 119,200.51, 164,496.77 and 65,488.98

Step by Step Solution

1. Step 1: Write the proportion equation
   119,200.51 : 164,496.77 = 65,488.98 : x
2. Step 2: Convert to fraction form
   119,200.51/164,496.77 = 65,488.98/x
3. Step 3: Cross multiply
   119,200.51x = 164,496.77 × 65,488.98
4. Step 4: Simplify right side
   119,200.51x = 10,772,725,970.01
5. Step 5: Solve for x
   x = 10,772,725,970.01/119,200.51
6. Step 6: Final answer
   x = 90,374.83