Finding the Fourth Proportional to 139,373.19, 209,054.72 and 39,533.00

Step by Step Solution

1. Step 1: Write the proportion equation
   139,373.19 : 209,054.72 = 39,533.00 : x
2. Step 2: Convert to fraction form
   139,373.19/209,054.72 = 39,533.00/x
3. Step 3: Cross multiply
   139,373.19x = 209,054.72 × 39,533.00
4. Step 4: Simplify right side
   139,373.19x = 8,264,559,299.32
5. Step 5: Solve for x
   x = 8,264,559,299.32/139,373.19
6. Step 6: Final answer
   x = 59,298.06