Finding the Fourth Proportional to 109,300.32, 164,030.40 and 69,953.76

Step by Step Solution

1. Step 1: Write the proportion equation
   109,300.32 : 164,030.40 = 69,953.76 : x
2. Step 2: Convert to fraction form
   109,300.32/164,030.40 = 69,953.76/x
3. Step 3: Cross multiply
   109,300.32x = 164,030.40 × 69,953.76
4. Step 4: Simplify right side
   109,300.32x = 11,474,543,234.30
5. Step 5: Solve for x
   x = 11,474,543,234.30/109,300.32
6. Step 6: Final answer
   x = 104,981.79