Finding the Fourth Proportional to 53,155,103.30, 74,467,533.10 and 53,155,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   53,155,103.30 : 74,467,533.10 = 53,155,103.30 : x
2. Step 2: Convert to fraction form
   53,155,103.30/74,467,533.10 = 53,155,103.30/x
3. Step 3: Cross multiply
   53,155,103.30x = 74,467,533.10 × 53,155,103.30
4. Step 4: Simplify right side
   53,155,103.30x = 3,958,329,414,426,668.50
5. Step 5: Solve for x
   x = 3,958,329,414,426,668.50/53,155,103.30
6. Step 6: Final answer
   x = 74,467,533.10