Finding the Fourth Proportional to 152,455,385.56, 210,389,763.12 and 82,840,764.76

Step by Step Solution

1. Step 1: Write the proportion equation
   152,455,385.56 : 210,389,763.12 = 82,840,764.76 : x
2. Step 2: Convert to fraction form
   152,455,385.56/210,389,763.12 = 82,840,764.76/x
3. Step 3: Cross multiply
   152,455,385.56x = 210,389,763.12 × 82,840,764.76
4. Step 4: Simplify right side
   152,455,385.56x = 17,428,848,874,536,046
5. Step 5: Solve for x
   x = 17,428,848,874,536,046/152,455,385.56
6. Step 6: Final answer
   x = 114,320,978.63