Finding the Fourth Proportional to 139,774.04, 192,881.58 and 76,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   139,774.04 : 192,881.58 = 76,111.64 : x
2. Step 2: Convert to fraction form
   139,774.04/192,881.58 = 76,111.64/x
3. Step 3: Cross multiply
   139,774.04x = 192,881.58 × 76,111.64
4. Step 4: Simplify right side
   139,774.04x = 14,680,533,379.59
5. Step 5: Solve for x
   x = 14,680,533,379.59/139,774.04
6. Step 6: Final answer
   x = 105,030.47