Finding the Fourth Proportional to 72,835, 109,245.18 and 53,152

Step by Step Solution

1. Step 1: Write the proportion equation
   72,835 : 109,245.18 = 53,152 : x
2. Step 2: Convert to fraction form
   72,835/109,245.18 = 53,152/x
3. Step 3: Cross multiply
   72,835x = 109,245.18 × 53,152
4. Step 4: Simplify right side
   72,835x = 5,806,599,807.36
5. Step 5: Solve for x
   x = 5,806,599,807.36/72,835
6. Step 6: Final answer
   x = 79,722.66