Finding the Fourth Proportional to 52,262,196.69, 72,118,087.68 and 28,742,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,262,196.69 : 72,118,087.68 = 28,742,389.50 : x
2. Step 2: Convert to fraction form
   52,262,196.69/72,118,087.68 = 28,742,389.50/x
3. Step 3: Cross multiply
   52,262,196.69x = 72,118,087.68 × 28,742,389.50
4. Step 4: Simplify right side
   52,262,196.69x = 2,072,846,165,904,598
5. Step 5: Solve for x
   x = 2,072,846,165,904,598/52,262,196.69
6. Step 6: Final answer
   x = 39,662,438.57