Finding the Fourth Proportional to 28,320,533.50, 42,476,596.10 and 7,848,118.59

Step by Step Solution

1. Step 1: Write the proportion equation
   28,320,533.50 : 42,476,596.10 = 7,848,118.59 : x
2. Step 2: Convert to fraction form
   28,320,533.50/42,476,596.10 = 7,848,118.59/x
3. Step 3: Cross multiply
   28,320,533.50x = 42,476,596.10 × 7,848,118.59
4. Step 4: Simplify right side
   28,320,533.50x = 333,361,363,492,331.50
5. Step 5: Solve for x
   x = 333,361,363,492,331.50/28,320,533.50
6. Step 6: Final answer
   x = 11,771,012.84