Finding the Fourth Proportional to 38,146,071.32, 52,641,852.27 and 20,742,291.83

Step by Step Solution

1. Step 1: Write the proportion equation
   38,146,071.32 : 52,641,852.27 = 20,742,291.83 : x
2. Step 2: Convert to fraction form
   38,146,071.32/52,641,852.27 = 20,742,291.83/x
3. Step 3: Cross multiply
   38,146,071.32x = 52,641,852.27 × 20,742,291.83
4. Step 4: Simplify right side
   38,146,071.32x = 1,091,912,662,256,087.88
5. Step 5: Solve for x
   x = 1,091,912,662,256,087.88/38,146,071.32
6. Step 6: Final answer
   x = 28,624,511.63