Finding the Fourth Proportional to 42,258,828.96, 63,409,860.91 and 20,126,027.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,258,828.96 : 63,409,860.91 = 20,126,027.42 : x
2. Step 2: Convert to fraction form
   42,258,828.96/63,409,860.91 = 20,126,027.42/x
3. Step 3: Cross multiply
   42,258,828.96x = 63,409,860.91 × 20,126,027.42
4. Step 4: Simplify right side
   42,258,828.96x = 1,276,188,599,732,256.50
5. Step 5: Solve for x
   x = 1,276,188,599,732,256.50/42,258,828.96
6. Step 6: Final answer
   x = 30,199,336.59