Finding the Fourth Proportional to 21,667,194, 29,900,732.04 and 12,009,402

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667,194 : 29,900,732.04 = 12,009,402 : x
2. Step 2: Convert to fraction form
   21,667,194/29,900,732.04 = 12,009,402/x
3. Step 3: Cross multiply
   21,667,194x = 29,900,732.04 × 12,009,402
4. Step 4: Simplify right side
   21,667,194x = 359,089,911,162,640.06
5. Step 5: Solve for x
   x = 359,089,911,162,640.06/21,667,194
6. Step 6: Final answer
   x = 16,572,977.15