Finding the Fourth Proportional to 139,777.32, 209,490.96 and 110,077.86

Step by Step Solution

1. Step 1: Write the proportion equation
   139,777.32 : 209,490.96 = 110,077.86 : x
2. Step 2: Convert to fraction form
   139,777.32/209,490.96 = 110,077.86/x
3. Step 3: Cross multiply
   139,777.32x = 209,490.96 × 110,077.86
4. Step 4: Simplify right side
   139,777.32x = 23,060,316,566.15
5. Step 5: Solve for x
   x = 23,060,316,566.15/139,777.32
6. Step 6: Final answer
   x = 164,978.96