Finding the Fourth Proportional to 82,588,187.12, 123,612,819.93 and 60,722,768.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,588,187.12 : 123,612,819.93 = 60,722,768.88 : x
2. Step 2: Convert to fraction form
   82,588,187.12/123,612,819.93 = 60,722,768.88/x
3. Step 3: Cross multiply
   82,588,187.12x = 123,612,819.93 × 60,722,768.88
4. Step 4: Simplify right side
   82,588,187.12x = 7,506,112,695,214,449
5. Step 5: Solve for x
   x = 7,506,112,695,214,449/82,588,187.12
6. Step 6: Final answer
   x = 90,886,032.94