Finding the Fourth Proportional to 134,839,667.48, 186,027,294.60 and 81,896,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   134,839,667.48 : 186,027,294.60 = 81,896,404.46 : x
2. Step 2: Convert to fraction form
   134,839,667.48/186,027,294.60 = 81,896,404.46/x
3. Step 3: Cross multiply
   134,839,667.48x = 186,027,294.60 × 81,896,404.46
4. Step 4: Simplify right side
   134,839,667.48x = 15,234,966,558,231,036
5. Step 5: Solve for x
   x = 15,234,966,558,231,036/134,839,667.48
6. Step 6: Final answer
   x = 112,985,791.52