Finding the Fourth Proportional to 28,188,068.10, 42,282,102.15 and 19,094,522.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,188,068.10 : 42,282,102.15 = 19,094,522.10 : x
2. Step 2: Convert to fraction form
   28,188,068.10/42,282,102.15 = 19,094,522.10/x
3. Step 3: Cross multiply
   28,188,068.10x = 42,282,102.15 × 19,094,522.10
4. Step 4: Simplify right side
   28,188,068.10x = 807,356,533,937,632.50
5. Step 5: Solve for x
   x = 807,356,533,937,632.50/28,188,068.10
6. Step 6: Final answer
   x = 28,641,783.15