Finding the Fourth Proportional to 72,354,396.02, 99,837,826.47 and 42,984,973.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,354,396.02 : 99,837,826.47 = 42,984,973.76 : x
2. Step 2: Convert to fraction form
   72,354,396.02/99,837,826.47 = 42,984,973.76/x
3. Step 3: Cross multiply
   72,354,396.02x = 99,837,826.47 × 42,984,973.76
4. Step 4: Simplify right side
   72,354,396.02x = 4,291,526,350,569,194.50
5. Step 5: Solve for x
   x = 4,291,526,350,569,194.50/72,354,396.02
6. Step 6: Final answer
   x = 59,312,586.20