Finding the Fourth Proportional to 121,343,788.08, 167,455,186.72 and 65,589,093.52

Step by Step Solution

1. Step 1: Write the proportion equation
   121,343,788.08 : 167,455,186.72 = 65,589,093.52 : x
2. Step 2: Convert to fraction form
   121,343,788.08/167,455,186.72 = 65,589,093.52/x
3. Step 3: Cross multiply
   121,343,788.08x = 167,455,186.72 × 65,589,093.52
4. Step 4: Simplify right side
   121,343,788.08x = 10,983,233,902,187,142
5. Step 5: Solve for x
   x = 10,983,233,902,187,142/121,343,788.08
6. Step 6: Final answer
   x = 90,513,359.41