Finding the Fourth Proportional to 145,593,881.37, 200,924,514.72 and 86,106,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   145,593,881.37 : 200,924,514.72 = 86,106,171.42 : x
2. Step 2: Convert to fraction form
   145,593,881.37/200,924,514.72 = 86,106,171.42/x
3. Step 3: Cross multiply
   145,593,881.37x = 200,924,514.72 × 86,106,171.42
4. Step 4: Simplify right side
   145,593,881.37x = 17,300,840,706,960,634
5. Step 5: Solve for x
   x = 17,300,840,706,960,634/145,593,881.37
6. Step 6: Final answer
   x = 118,829,449.04