Finding the Fourth Proportional to 38,188,145.69, 52,699,638.12 and 20,784,615.69

Step by Step Solution

1. Step 1: Write the proportion equation
   38,188,145.69 : 52,699,638.12 = 20,784,615.69 : x
2. Step 2: Convert to fraction form
   38,188,145.69/52,699,638.12 = 20,784,615.69/x
3. Step 3: Cross multiply
   38,188,145.69x = 52,699,638.12 × 20,784,615.69
4. Step 4: Simplify right side
   38,188,145.69x = 1,095,341,725,445,955.50
5. Step 5: Solve for x
   x = 1,095,341,725,445,955.50/38,188,145.69
6. Step 6: Final answer
   x = 28,682,768.06