Finding the Fourth Proportional to 136,274,667.31, 188,058,084.22 and 74,395,005.87

Step by Step Solution

1. Step 1: Write the proportion equation
   136,274,667.31 : 188,058,084.22 = 74,395,005.87 : x
2. Step 2: Convert to fraction form
   136,274,667.31/188,058,084.22 = 74,395,005.87/x
3. Step 3: Cross multiply
   136,274,667.31x = 188,058,084.22 × 74,395,005.87
4. Step 4: Simplify right side
   136,274,667.31x = 13,990,582,280,246,066
5. Step 5: Solve for x
   x = 13,990,582,280,246,066/136,274,667.31
6. Step 6: Final answer
   x = 102,664,585.84