Finding the Fourth Proportional to 38,039,948.16, 52,495,128.72 and 21,742,774.08

Step by Step Solution

1. Step 1: Write the proportion equation
   38,039,948.16 : 52,495,128.72 = 21,742,774.08 : x
2. Step 2: Convert to fraction form
   38,039,948.16/52,495,128.72 = 21,742,774.08/x
3. Step 3: Cross multiply
   38,039,948.16x = 52,495,128.72 × 21,742,774.08
4. Step 4: Simplify right side
   38,039,948.16x = 1,141,389,724,059,479.50
5. Step 5: Solve for x
   x = 1,141,389,724,059,479.50/38,039,948.16
6. Step 6: Final answer
   x = 30,005,028.38